*{
    margin: 0;
    padding: 0;
}
.w {
    width: 1200px;
    margin: auto;
}
/* 清除浮动 */
.clearfix::before,.clearfix:after {
content: "";
display: table;

}
.clearfix:after {
clear: both;
}
.clearfix {
    *zoom:1;
}
body{
    /* background-color: #f3f5f7; */
}
.header{
    height: 42px;
    margin: 30px auto;
}
/* logo部分 */
.logo{
    float: left;
    width: 198px;
    height: 42px;
}
/* 导航栏部分 */
li{
    list-style: none;
}
a{
    text-decoration: none;
}
 .nav ul li a{
    display: block;
    height: 42px;
    padding: 0 10px;
    line-height: 42px;
    font-size: 18px;
    color: #050505;
}
.nav ul li a:hover{
    color: #00a4ff;
    border-bottom: 2px solid #00a4ff;
}
.nav{
    float: left;
    margin-left: 60px;
}
.nav ul li{
    float: left;
    margin: 0 15px;
}
/*搜索框部分 */
.search{
    float: left;
    width: 412px;
    height: 42px;
    margin-left: 70px;
    background-color: skyblue;
}
.search input{
    float: left;
    width: 345px;
    height: 40px;
    border: 1px solid #00a4ff;
    border-right: 0;
    color: #bfbfbf;
    font-size: 14px;
    padding-left: 15px;
    outline: none;
}
.search button{
    float: left;
    width: 50px;
    height: 42px;
    border: 0;
    background-color: #00a4ff;

}
.search button:hover{
    background-color: #999;
}
.search span{
    font-family: 'icomoon';
    font-size: 30px;
}
/* user用户模块 */
.user{
    float: right;
    line-height: 42px;
    margin-right: 30px;
    font-size: 14px;
    color: #666;

}
/* banner部分 */
.banner{
    height: 421px;
    background-color: #1c036c;
}
.banner .w {
    position: relative;
    height: 421px;
    background: url(image/bannar_03.png) no-repeat top center;
}
.subnav{
    float: left;
    width: 190px;
    height: 421px;
    background: rgba(0, 0, 0, .3);
}
.subnav ul li {
    height: 45px;
    line-height: 45px;
    padding: 0 20px;
}
.subnav ul li:hover{
    background-color: #ccc;
}
.subnav ul li a {
    font-size: 14px;
    color: #fff;
}
.subnav ul li a span {
    float: right;
}
.subnav ul li a:hover {
    color:#00a4ff ;
}
/* 课程表模块 */
.course {
    float: right;
    width: 230px;
    height: 300px;
    background-color: #fff;
    margin-top: 50px;
}
.course h2 {
    height: 48px;
    line-height: 48px;
    background-color: #9bceea;
    text-align: center;
    font-size: 18px;
    color: #fff;
}
.bd{
    padding: 0 20px;
}
.bd ul li h4{
    font-size: 16px;
    color: #4e4e4e;
}
.bd ul li p{
font-size: 12px;
color: #a5a5a5;
}
.bd ul li{
    padding: 15px 0;
    border-bottom: 1px solid #ccc;
}
.bd .more {
display: block;
height: 38px;
border: 1px solid #00a4ff;
text-align: center;
line-height: 38px;
color: #00a4ff;
font-size: 16px;
font-weight: 700;
margin-top: 5px;
}
/* 精品推荐模块 */
.goods{
    height: 60px;
    margin-top: 10px;
    background-color: #fff;
    box-shadow: 0 2px 3px 3px rgba(0, 0, 0, .1);
    line-height: 60px;
}
.goods h3 {
    float: left;
    margin-left: 30px;
    font-size: 16px;
    color: #00a4ff;
}
.goods ul{
    float: left;
    margin-left: 30px;
}
.goods ul li {
    float: left;
}
.mod {
    float: right;
margin-right: 30px;
font-size: 14px;
    color: #00a4ff;
}
.goods ul li a {
    padding: 0 30px;
    font-size: 16px;
    color: #050505;
    border-left: 1px solid #ccc;

}
.goods ul li a:hover {
    /* background-color: #ccc; */
    color: #00a4ff;
}
.goods ul li:hover{
    background-color: #ccc;
}
/* 4.核心内容模块 */
.box {
    margin-top: 30px;
    /* background-color: pink; */

}
.box-hd{
    height: 45px;
}
.box-hd h3{
    float: left;
    font-size: 20px;
    color: #494949;
}
.box-hd a{
    float: right;
    font-size: 12px;
    color: #a5a5a5;
    margin-top: 10px;
    margin-right: 30px;

}
.box-bd ul li {
    float: left;
    width: 228px;
    height: 270px;
    margin-right: 15px;
    margin-bottom: 15px;
    background-color: #f3f5f7;
}
.box-bd ul {
    width: 1225px;
}
.box-bd ul li img {
    width: 100%;
}
.box-bd ul li h4{
    margin: 20px 20px 20px 25px;
    font-size: 14px;
    font-weight: 400px
    ;
}
.box-bd .info {
    margin: 0 20px 0 25px;
    font-size: 12px;
    color: #999;
}
.info span{
    color: #ff7c2d;
    margin-right: 10px;
}
/* footer底部模块 */
.footer {
    
    height: 415px;
    /* background-color: pink; */
}
.footer .w{
    padding-top: 35px;
}
.footer .w .copyright {
    float: left;
}
.footer .w .copyright p{
    font-size: 12px;
    color: #666;
    margin: 20px 0 15px 0;
}
.footer .w .links {
    float: right;
}
.footer .w .copyright a{
    width: 118px;
    display: block;
    height: 33px;
    text-align: center;
    line-height: 33px;
    color: #00a4ff;
    font-size: 16px;
    border: 1px solid #00a4ff;
}
.links {
    float: right;
}
.links dl{
    float: left;
    margin-left: 100px;
}
.links dl dt {
    font-size: 16px;
    color: #333;
    margin-bottom: 5px; ;
}
.links dl dd a {
    font-size: 12px;
    color: #333;
}
.links dl dd a:hover {
    text-decoration: underline;
}